If the Wi-Fi keeps disconnecting or dropping, it is usually due to USB power saving. To fix this:
Look for , Realtek Bluetooth Adapter , or a device explicitly named BT-BU1 .
In Device Manager, locate your laptop's original, internal Bluetooth card. Right-click it and choose Disable device . Leave only the new BT-BU1 adapter enabled. Conclusion bt-bu1 driver
If your system does not automatically recognize the BT-BU1, follow these steps to manually prompt an installation or update: Automatic Windows Update
Очередной блютус адаптер - KIA Ceed SW - Drive2 If the Wi-Fi keeps disconnecting or dropping, it
The BT-BU1 is popular among Raspberry Pi users because the Realtek chipset is well-supported by the Linux kernel, though it sometimes requires manual activation.
"You found the adapter. You installed the driver. Now, where do you want to go?" Right-click it and choose Disable device
(Note: “bt-bu1” is used here as a canonical name for drivers targeting Broadcom/Cypress BU1-series USB Bluetooth controllers; actual naming varies by OS and vendor.)
Look for a device with a yellow exclamation mark under or Other Devices (it might be named Realtek Bluetooth Adapter or Generic Bluetooth Radio ). Right-click the device and select Properties . Go to the Details tab. Drop down the Property menu and select Hardware Ids .
def init_btbu1(port='COM5'): ser = serial.Serial(port, 115200, timeout=1) ser.write(b'MOT:EN 1\r\n') response = ser.readline() print("Driver Status:", response) return ser